2 * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/mips/generic_macros_msa.h"
22 #include "h263dsp_mips.h"
24 static void h263_dct_unquantize_msa(int16_t *block, int16_t qmul,
25 int16_t qadd, int8_t n_coeffs,
28 int16_t *block_dup = block;
30 v8i16 block_vec, qmul_vec, qadd_vec, sub;
31 v8i16 add, mask, mul, zero_mask;
33 qmul_vec = __msa_fill_h(qmul);
34 qadd_vec = __msa_fill_h(qadd);
35 for (cnt = 0; cnt < (n_coeffs >> 3); cnt++) {
36 block_vec = LD_SH(block_dup + loop_start);
37 mask = __msa_clti_s_h(block_vec, 0);
38 zero_mask = __msa_ceqi_h(block_vec, 0);
39 mul = block_vec * qmul_vec;
42 add = (v8i16) __msa_bmnz_v((v16u8) add, (v16u8) sub, (v16u8) mask);
43 block_vec = (v8i16) __msa_bmnz_v((v16u8) add, (v16u8) block_vec,
45 ST_SH(block_vec, block_dup + loop_start);
49 cnt = ((n_coeffs >> 3) * 8) + loop_start;
51 for (; cnt <= n_coeffs; cnt++) {
55 level = level * qmul - qadd;
57 level = level * qmul + qadd;
64 static int32_t mpeg2_dct_unquantize_inter_msa(int16_t *block,
66 const int16_t *quant_matrix)
68 int32_t cnt, sum_res = -1;
69 v8i16 block_vec, block_neg, qscale_vec, mask;
70 v8i16 block_org0, block_org1, block_org2, block_org3;
71 v8i16 quant_m0, quant_m1, quant_m2, quant_m3;
72 v8i16 sum, mul, zero_mask;
73 v4i32 mul_vec, qscale_l, qscale_r, quant_m_r, quant_m_l;
74 v4i32 block_l, block_r, sad;
76 qscale_vec = __msa_fill_h(qscale);
77 for (cnt = 0; cnt < 2; cnt++) {
78 LD_SH4(block, 8, block_org0, block_org1, block_org2, block_org3);
79 LD_SH4(quant_matrix, 8, quant_m0, quant_m1, quant_m2, quant_m3);
80 mask = __msa_clti_s_h(block_org0, 0);
81 zero_mask = __msa_ceqi_h(block_org0, 0);
82 block_neg = -block_org0;
83 block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org0, (v16u8) block_neg,
87 UNPCK_SH_SW(block_vec, block_r, block_l);
88 UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
89 UNPCK_SH_SW(quant_m0, quant_m_r, quant_m_l);
90 mul_vec = block_l * qscale_l;
92 block_l = mul_vec >> 4;
93 mul_vec = block_r * qscale_r;
95 block_r = mul_vec >> 4;
96 mul = (v8i16) __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
98 sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
100 sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org0,
105 sad = __msa_hadd_s_w(sum, sum);
106 sum_res += HADD_SW_S32(sad);
107 mask = __msa_clti_s_h(block_org1, 0);
108 zero_mask = __msa_ceqi_h(block_org1, 0);
109 block_neg = - block_org1;
110 block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org1, (v16u8) block_neg,
114 UNPCK_SH_SW(block_vec, block_r, block_l);
115 UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
116 UNPCK_SH_SW(quant_m1, quant_m_r, quant_m_l);
117 mul_vec = block_l * qscale_l;
118 mul_vec *= quant_m_l;
119 block_l = mul_vec >> 4;
120 mul_vec = block_r * qscale_r;
121 mul_vec *= quant_m_r;
122 block_r = mul_vec >> 4;
123 mul = __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
125 sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
127 sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org1,
133 sad = __msa_hadd_s_w(sum, sum);
134 sum_res += HADD_SW_S32(sad);
135 mask = __msa_clti_s_h(block_org2, 0);
136 zero_mask = __msa_ceqi_h(block_org2, 0);
137 block_neg = - block_org2;
138 block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org2, (v16u8) block_neg,
142 UNPCK_SH_SW(block_vec, block_r, block_l);
143 UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
144 UNPCK_SH_SW(quant_m2, quant_m_r, quant_m_l);
145 mul_vec = block_l * qscale_l;
146 mul_vec *= quant_m_l;
147 block_l = mul_vec >> 4;
148 mul_vec = block_r * qscale_r;
149 mul_vec *= quant_m_r;
150 block_r = mul_vec >> 4;
151 mul = __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
153 sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
155 sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org2,
161 sad = __msa_hadd_s_w(sum, sum);
162 sum_res += HADD_SW_S32(sad);
163 mask = __msa_clti_s_h(block_org3, 0);
164 zero_mask = __msa_ceqi_h(block_org3, 0);
165 block_neg = - block_org3;
166 block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org3, (v16u8) block_neg,
170 UNPCK_SH_SW(block_vec, block_r, block_l);
171 UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
172 UNPCK_SH_SW(quant_m3, quant_m_r, quant_m_l);
173 mul_vec = block_l * qscale_l;
174 mul_vec *= quant_m_l;
175 block_l = mul_vec >> 4;
176 mul_vec = block_r * qscale_r;
177 mul_vec *= quant_m_r;
178 block_r = mul_vec >> 4;
179 mul = __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
181 sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
183 sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org3,
189 sad = __msa_hadd_s_w(sum, sum);
190 sum_res += HADD_SW_S32(sad);
196 void ff_dct_unquantize_h263_intra_msa(MpegEncContext *s,
197 int16_t *block, int32_t index,
203 av_assert2(s->block_last_index[index] >= 0 || s->h263_aic);
208 block[0] *= index < 4 ? s->y_dc_scale : s->c_dc_scale;
209 qadd = (qscale - 1) | 1;
216 nCoeffs = s->inter_scantable.raster_end[s->block_last_index[index]];
218 h263_dct_unquantize_msa(block, qmul, qadd, nCoeffs, 1);
221 void ff_dct_unquantize_h263_inter_msa(MpegEncContext *s,
222 int16_t *block, int32_t index,
228 av_assert2(s->block_last_index[index] >= 0);
230 qadd = (qscale - 1) | 1;
233 nCoeffs = s->inter_scantable.raster_end[s->block_last_index[index]];
235 h263_dct_unquantize_msa(block, qmul, qadd, nCoeffs, 0);
238 void ff_dct_unquantize_mpeg2_inter_msa(MpegEncContext *s,
239 int16_t *block, int32_t index,
242 const uint16_t *quant_matrix;
245 quant_matrix = s->inter_matrix;
247 sum = mpeg2_dct_unquantize_inter_msa(block, qscale, quant_matrix);
249 block[63] ^= sum & 1;